Liquid mixing valve



a K. M.INEWCOMEIR 2,453,809

Nov. 16, 1948.

' LIQUID MIXING VALVE 2 Sheets-Sheet 1 FiledMay 23, 1947 w R s Z m, IMIIJL.W m M A W 6 e u M M741 m 6 3 w K Nov. 16, 1948. wc 2,453,809

' LIQUID MIXING VALVE Filed May 23, 1947 '2 Sheets-Sheet 2 I N VEN TOR.

fla vans AZ Wezwvmar ATI'U RN EYS Patented Nov. 16, 1948 UNITED STATES PATENT OFFICE 2,453,809 I I LIQUID VALVE Keepers M. Newcomer, Pittsburgh, Pa.

Application May 23, 1947, Serial No. 750,035

The invention relates to a valved faucet, and more particularly to a mixing valve for liquid dispensing, such as hot and cold water.

The primary object of the invention is the provision of a valve of this character, wherein a single stream of liquid can be dispensed or shut off, and such stream will involve a single or several flow volumes of liquid fed from independent sources, such for example as hot and cold water, the dispensed liquid stream being temperature controlled, without disturbing the volume thereof.

Another object of the invention is the provision of a valve of this character, wherein the control is effected from a single hand lever which is readily accessible above and forwardly of the dispensing faucet for the liquid.

A further object of the invention is the provision of a valve of this character, wherein the same is assured of a positive mechanical action and requires but one hand for its operation with immediate desired results in volume of liquid, as well as any temperature from hot to cold or viceversa.

A still further object of the invention is the provision of a valve of this character, which is simple in construction, thoroughly reliable and efficient in operation, easily repaired, conveniently actuated, durable, neat in appearance, quick acting, readily operated, and inexpensive to manufacture and install.

With these and other objects in view, the invention consists in the features of construction, combination and arrangement of parts as will be hereinafter more fully described, illustrated in the accompanying drawing, which shows the preferred form of the invention, and pointed out in the claims hereunto appended.

In the accompanying drawing:

Figure 1 is a top plan view of a mixing valve constructed in accordance with the invention;

Figure 2 is a similar view with the top cover plate removed;

Figure 3 is a sectional view taken on the line 33 of Figure 1 looking in the direction ofthe arrows;

Figure 4 is a sectional view taken on the line 4-4 of Figure 2 looking in the direction of the arrows with the operating lever in dual actuating position and Figure 5 is the same in single actuating position.

Similar reference characters indicate corresponding parts throughout the several views in the drawing.

Referring to the drawing in detail, A designates 5 Claims. (Cl. 272-48 I 2 generally a faucet comprising a hollow body [0 formed with a pouring spout H which leads from the mixing cavity l2 created by the hollow in said body, so that liquid delivered into the said cavity will be discharged or dispensed therefrom through the spout.

Formed at the bottom l3 of the body [0 are externally threaded nipples M which are adapted to be connected to hot and cold water service lines, respectively. These nipples [4 are arranged at opposite sides of the spout and have communication with the cavity 12 in the body Ill through openings formed in the bottom l3, while adapted to open and close these openings l5 are vertically movable valves I6, one for each opening.

The valves l6 have their stems l1 projected upwardly through bonnets l8 detachably threaded onto the body III at the upper neck portions l3 thereof, whichare integral with the said body. The stems" of the halves l6 have the multiple squarethreads 20 and 2| thereon screwed into the necks I9, the threads 20 being reversed to the threads 2|, so that when the said stems I! are reversely rotated the valves I6 will seat or unseat the said valves simultaneously with respect to each other.

Fixed on the body l0 centrally between the neck portions I9 is a vertical pivot post 22 on which is mounted a horizontally swingable inverted substantially L-shaped bracket 23, its horizontal arm 24, at the outer end thereof, which is forwardly of the body l0, and bifurcated as at 25, which bifurcation has fitted therein a hand lever 26, which is pivoted on the transverse pivot pin 21 in the arm 24. Forwardly of the pivot 21 the lever 26 is pivoted at 28 to the end of a link 29 which extends outwardly of the bifurcation 25 through the guide slot 30 -in'th e arm 24 which communicates with the bifurcation 25. The opposite end of the link 29 is pivoted at 3| in the bifurcated end 32 of the stem 33 and the stem 33 is shiftable outwardly and inwardly by movement of the lever 26 on the pivot 21 in the arm 24.

The stem 33, near its inner end, is threadably coupled by threads 34 to ashiftable divided double sector-toothed gear 35, slidable in a way 36 formed in the said arm. 24 of the bracket 23. The teeth 31 of the gear 35 are adapted for meshing engagement with gears 38 and 39, fixed to the stems l1 respectively; The hand lever 26 controls the shifting of the gear 35, while the lateral turning of the bracket 23 controls the rotation of this saidlgear35} i When the gear 35 is shifted rearwardly by the forward motion of the lever 26 so that the axis of such as direction arrows 4|, and legends 42, respectively, for indicating the on and off liquid how and temperature control thereof.

The multiple threads and 2! are arranged so that a partial turn of the stems I'Iis-sufilcient to open the valves l6. When the valves are opened, the gears 35, 38

and 39 respectively, are in the position shown in Figure 2 of the drawing, that is to say, they are in transverse alignmentxwith eachaother. cross.- wise of the body ID. of the faucet,..i; e.,. to openrthe said valves the hand-lever26 is pushed; upwardly, thenwhen it is desiredxto close .thevalves: it, the hand lever is pushed downwardly,. according to the direction arrows and legends as before mentioned.

When valves Iii are closed, gears 38:.and:3il.are slightly. to the rear of the. alignment of. these gears, as in Figure 5. This position of the gear allows for changing. the fulcrum of this gear when it moves rearwardly. .The linklfi provides a double or universal joint for. the lever 28 with the stem 33 to compensate for lateral play or movement when in operation.

When the gear 35 is moved forwardlyandrearwardly of the alignment of gears 38- and139; that is, when valves [6 are opened full or shut-off, gear 35 has moved. in front of the alignment of gears 33 and 39 the same amount as-when the valves are moved back of alignment'of gears 38 and 39. 1

This full movement forward of gear 35 by pressing down hand lever 26 gives you'the full volume and pressure of one valve, that is fifty per cent for each, due to each valve opening half way; Now. by lateral movement either way, one valve will tend to close as much as the other'willopen until one is closed completely andthe other is open completely.

Either valve may be openedfull without opening the other one, by pressing down hand lever 26, and at the same time pushing it backward or pulling it forward.

When only one liquid-is desired, such as all hot (or all cold) water, the hand lever 26'is pressed downward, and at the same time pressed or pulled forward as much as gear'will allow. By doing this, only one liquid flows, such as allhot water, in the desired amount. This movement'of lever 26, that is down and to you, will open only one valve, and down and away from 'you'will open only one valve. 7 I

It is believed that from the foregoing description, the construction and operation ofthe device will be apparent to those skilled in the art, and it is to be understood that changes in the minor details of construction, arrangement and combination of parts may be resorted to, provided they fall within'the spirit of the invention and the scope of the appended claims.

Having thus described the invention; what. is claimed as new and desired to be secured by Let'- ters Patent is:

1. A mixing valve of the kind described, coma 4 prising a body having a liquid mixing cavity therein, valves controlling admission of several liquids to the cavity, a single discharge spout on the body and leading from said cavity, stems operatin the valves, gears fixed to the stems for turning the same, an inwardly and outwardly slidable and reversely rotatable gear, intermediate of and meshing with the said gears, a stem threadably connected to said last mentioned gear, a link connected to said stern and means connected to said link which is manually operated to actuate the slidable and reversely rotatable gear.

2."A mixing valve of the kind described, comprising a body having a liquid mixing cavity therein, valves-controlling admission of several liquids to thecavity, a single discharge spout on the bodyand leading from said cavity, stems operating" the valves, gears fixed to the stems for turning the same, an inwardly and outwardly slidable and reversely rotatable gear intermediate or and meshing with the said' gears, a. stem threadably connected to said last mentioned gear, a link connected to said stem, means connected to said'link which is manually operated to actuate the slidable-and reversely rotatable gear, and a cover plate for the gears and having indicia identifying the direction of movements for the opening and closing of the valves and the control of liquid admissions to the cavity.

3. A mixing. valve of the kind described, comprising a body having a liquid mixing cavity therein; valvescontrolling admission of several liquids to the cavity, a single discharge-spout on the body and leading from said cavity, stems operating the-valves, gears fixed to the stems for turning the same, an inwardly and outwardly slidable and reversely rotatable gear intermediate of and meshing with the said gears, a stem threadably connectedto said'last mentioned gear, a link connected to said stem, means connected to said stein which is-manually operated to actuate the slidableand reversely rotatable gear, necks formed on the body for the stems, and reversed threaded connections between the said stems and necks, respectively.

' 4. A mixing valve of thekind described, comprising a body having a liquid mixing cavity therein, valves controlling admission of several liquids tothe cavity, a single discharge spout onthe body and leading from said cavity, stems operatin the valves, gears fixed'to the stems for turning the same, an inwardly and outwardly slidable and reversely rotatable gear intermediate of and meshing with the said gears, a stem threadably connected to saidlast mentioned gear, a link connected to said stern, means connected to said link which is manually operated to actuate the slidable and reversely rotatable gear, necks formed on' the body for the stems, reversed threaded connections between the said stems and necks, respectively, and a turntable mounting on the body for the said means and forming a way for the slidable and rotatable ear.

5. A mixing valve of the kind described, comprising a body having a liquid mixing cavity therein, valves'controlling admission of several liquidsto the cavity, a single discharge spout on the body and leading from said cavity,.stems operating thevalves, gears fixed to, the stems for turningthe same,.an inwardly and outwardly slidableandreversely rotatable gear intermediate of and meshing with the said. gears, a stem threadably'connected to said last mentioned gear,

5 6 a link connected to said stem, means connected the slidable and rotatable gear, and pivot pins to said link which is manually operated to accoupling the said means to said link and said tuate the slidable and reversely rotatable gear, link to the stem of the slidable and rotatable necks formed on the body for the stems, reversed gear.

threaded connections between the said stems and 5 KEEPERS M. NEWCOMER. necks, respectively, a turntable mounting on the body for the said means and forming a way for N0 references Cited- 

